<%@page contentType="text/html;utf-8" pageEncoding="utf-8" isELIgnored="false" %><!doctype html><html lang="en"><head>    <meta charset="UTF-8">    <meta name="viewport"          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">    <meta http-equiv="X-UA-Compatible" content="ie=edge">    <title>Document</title></head><body><h1>注册界面</h1><form action="${pageContext.request.contextPath}/user/register" method="post">    用户名:<input type="text" name="username"> <br/>    密码 : <input type="text" name="password"> <br>    <input type="submit" value="注册"></form></body></html>